Abstract
BOYER et al. (1960) reported serums from chickens and turkeys that were vaccinated with erysipelas bacterin (Duovax- Cynamid) subcutaneously would cause a positive plate agglutination reaction with PPLO antigen (A.S.L.) beginning by the eight day, and almost completely disappeared by the 29th day post vaccination. A similar trial with fowl cholera bacterin (Glandolac Company) in turkeys did not produce PPLO plate reactions.Olson et al. (1964) reported that serums from Mycoplasma synoviae-iniected birds would cause a serological reaction to Mycoplasma gallisepUcum serum plate antigen.Roberts and Olesuik (1967) reported that serums from birds inoculated with M. synoviae, Erysipelothrix rhusiopathiae bacterin, and avian Mycoplasma serotype P produced a rapid serum plate agglutination reaction with M. gallisepUcum antigen, but all were negative to the HI and tube agglutination test for M. gallisepticum. They reported this nonspecific reaction was due to a rheumatoid factor activity in the serum.Roberts (1969) reported on the…
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